Anybody who's been to YouTube quickly becomes cynical about the future of the human race, particularly when you read the comments to... well... any video. But this PBS video argues that YouTube actually makes you smarter by lowering barriers to learning about literally any topic. And we have to ad…

If you haven’t been on YouTube recently, you may not have seen the site’s contribution to the holidays: snow!Not only does the white stuff fall on search pages, but many videos have a little red snowflake on the right-hand side of the bottom bar.